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Finding the Fourth Proportional to 88,603.80, 132,928.20 and 29,439.84

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Solution

The fourth proportional to 88,603.80, 132,928.20 and 29,439.84 is: 44,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,603.80 : 132,928.20 = 29,439.84 : x
  2. Step 2: Convert to fraction form
    88,603.80/132,928.20 = 29,439.84/x
  3. Step 3: Cross multiply
    88,603.80x = 132,928.20 × 29,439.84
  4. Step 4: Simplify right side
    88,603.80x = 3,913,384,939.49
  5. Step 5: Solve for x
    x = 3,913,384,939.49/88,603.80
  6. Step 6: Final answer
    x = 44,167.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.